Home / 13,121,018.34-19,680,198.57-3,537,365.64

Finding the Fourth Proportional to 13,121,018.34, 19,680,198.57 and 3,537,365.64

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Solution

The fourth proportional to 13,121,018.34, 19,680,198.57 and 3,537,365.64 is: 5,305,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,018.34 : 19,680,198.57 = 3,537,365.64 : x
  2. Step 2: Convert to fraction form
    13,121,018.34/19,680,198.57 = 3,537,365.64/x
  3. Step 3: Cross multiply
    13,121,018.34x = 19,680,198.57 × 3,537,365.64
  4. Step 4: Simplify right side
    13,121,018.34x = 69,616,058,209,895.14
  5. Step 5: Solve for x
    x = 69,616,058,209,895.14/13,121,018.34
  6. Step 6: Final answer
    x = 5,305,690.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.